meantime, there are new questions tonight in the jerry sandusky child sex abuse case about what a key prosecution witness heard and saw. nbc's jay gray has our report. >> reporter: tonight, explosive new allegations in the penn state child sex abuse scandal, this time from the defense. >> it seems that all of these now young men are following a similar pattern. >> reporter: attorney joe amendola telling nbc news he's ex-moplo- exploring how and how often accusers may have been in contact with each other prior to charges being filed in the case. >> is it possible that all of them reacted the same way to the abuse by staying in touch with jerry and maintaining contact with him. i find it strange and what it smacks of is some kind of collusion. >> reporter: one attorney said, they're trying to raise any sort of doubt and throw up a smoke screen. i can't speak for everyone, but i can speak for my client, victim number four, and to suggest he is colluding is preposterous. there are also new questions tonight about another key witness in the case. penn state assistant coach mike mcqueary sa